Underframe for cars.



PATENT-ED SEPT. 25, 1906. r

B. 1'". DODDS. UNDERPRAME FOR CARS.

. a ll APPLICATION FILED .AUG.23,1905.

PATEIQT OFFICE.

ETHAN I. DODDS, OF PULLMi'lN, iLLINOlS, ASSIGNOR TO THE IULLMAN COMPANY,OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

UNDERFPAWIE FQF? CAFlEE.

are. 831,840.

d psciification of Letters Patent.

Fatented Sept. 25, 1906.

To tZ-Z whom it may concern.-

Be it known that I, ETHAN I. Donns, a citizen of the United States,residing at Pullman, in the county of Coohand State of Illinois,

have invented certain new and useful Improvements in Underframes forCars, of which the following is a specification.

The bolsters and side sills of metallic railway-cars are the'subjects ofimprovement by to my present invention, which includes, instead of theusual tension-plate secured to the bolster, one or more tension or tierods assing through perforations in the center sills and attached to theends of the bolsters and to the side sills, partially supporting theseparts. In conjunction with the center sills a spacer is employed, thetie-rods extending through holes in said spacer, which forms anadditional rest or strut over which the rods pass and upon which theyrest. Each side sill comprises two longitudinal rolled members, disposedone above the'other, and for the under one I preferably employ a Z- beamand for the upper one I use an anglebar. Such a construction secures thebenelits of a sin le deep sill and acts in conjunction with t 1e sidestakes as a plate-girder without any plates.

In the'accompanying drawingsI have illus- 3o/tlated my invention in apreferred form, like reference characters referring to the same partsthroughout.

Figure 1 is a vertical cross-section adjacent to the body-bolster of acar'embodying my invention. Fig. 2 is a section of a portion of the carshown in Fig. 1 on the lino 2 2, as viewed in the direction indicated bythe ar rows. Fig. 3 is a plan of a fragment of the underframe of the carand shows in detail the 4,0. manner of securing the outer end of thebodybolster to the side sill. Fig. 4 is a cross-sets tion of thebody-bolster shown in Fig. 1 on the line 4 4, and Fig. 5 is aperspective view of: the anchor or tie-plate, one of which is secured toeach outer end of the body-bolster and. attached to the side sill, thetie rod or rods being fastened to the anchor.

The channel center sills 1O 10 are spaced apart and tied together bymember 11,which has a central web 11 with integral outstanding flanges11 on all four edges, the flanges projecting from both sides of the web,as is shown in Fig. 2. An additional channel- 'spacer 12 with itsflanges projecting u wardly is fastened above spacer 11 to tie webs ofthe center sills, the center sills and the flanges of this latter spacerhaving perforations in aliuement for the passage of the tie-rods, asshown in Fig. 1. The bodybolster beams comprise spaced pressed-steelbeams 13 with integral flanges along their upper and lower edges placedwith their webs back to back, as illustrated in Fig. 4, each half of thebolster having short tie-plates 14, riveted to the upper flanges of thechannelbeams 13. Angle-bars 15 secure the inner ends of thebolster-beams to the center sills, rivets passing through the centersills, the angle-bars, and the flanges 11 or spacer 11. At their outerends the bolste rbeams have integral flanges 16, which are turned overfrom the webs of the pressed-steel beams and which are riveted to 2-beamside sills 17 and to the flanges of side stakes 18. A compression-plate19 is also fastened to the owcr flanges of bolstenbeams 13, passingunder the center sills. At the outer ends of the body-bolster I su plyanchors 20, each of which. has a vertical portion or flange 21, adaptedto fit between and be riveted to the bolster-beams 13, a lower inclinedportion or flange 22, intended to lie against and be riveted to thelower flanges of beams '13, a hori-- zontal portion or flan e 23 to bearagainst and be fastened to the ower flange of the Z- beam side sill, andone or more perforated bosses 24.

Instead of the usual tension-plate riveted to the bolster and extendingacross the center sills I employ one or more tension or tie rods 25, (inthe present instance two,) which pass through the perforations of thecenter sills and channel-spacer 12 with their outer ends fitted in thebosses of the anchor 20, nuts 26 being screwed on their protrudin endsto properly hold them in place. It will be observed that these tensionor tie rods partially support the outer ends of the bolster-beams andthe side sills and are espe-' cially ell'ective for this purpose becauseof their long span or reach.

Above the Z-beam side sills 17 I employ longitudinal angle-bars 27 withtheir horizontal flanges extending inwardly, these angles also beingriveted to the flanges of the side stakes 18. By this construction I secure, in effect, dee side s'ills,which answer all the purposes ofplates. lVooden stringers 28 rest upon and cured to theupper side of thebody;bo sters, floor-planks 29 being nailed or otherwise fastenedthereto. The upright side and end planks 30 are preferably bolted to theside stakes, as shown in' Fig. 1, and ends of the car-body. I

Minor changes in the details of construction will suggest themselves tothose skilled in. the art, and hence the invention is not limited to thedetails as shown and described, except to the extent to which they aremade the subject-matter of specific claims.

This patent is intended to embrace only so much of the disclosure madeherein as is covered by the claims.

I claim- 1. In a railway-car, the combination of perforated centersills, a perforated spacer for said sills, a bolster, and one or moretension-rods supporting the outer ends of said bolster and passingthrough the perforations of said center sills and spacer, substantiallyas described.

2. In a railway-car, the combination of perforated center sills, aperforated spacer for said sills, a bolster, side sills, and one or moretension-rods passing through the perforations of said center sills andspacer and secured to said side sills, substantially as described.

3. In a railway-car, the combination of ate-girders, yet employ noperforated center sills, a bolster fastened to said center sills, ananchor secured to each end of said bolster, and oneor more tension ortie rods connecting said anchors and passing through the perforations ofsaid center sills, substantially as described.

' 4. In a railway-car, the combination of perforated center sills, sidesills, an anchor secured to each of said side sills, and one or moretension or tie rods connecting said anchors and passing through theperforatlons of said center sills, substantially as describedf 5. In arailway-car, the combination of perforated center sills, a bolster, sidesills, anchors secured to said side sills and bolster, and one or moretension-rods passing through the perforations of said centersills andattached to said anchors, substantially as described.

6. In a railway-car, the combination of perforated center sills, aperforated spacer for said sills, a bolster, side sills, anchors securedto said side'sills and bolster, and one or more tension-rods passingthrough the perfoto form the sides flanged 'side sills, anchors securedto the flanges of said side sills and bolster-beams, and one or moretension-rods passing through the perforations of said center sills andattaehed to said anchors, substantially as described.

8 In a railway-car, the combination of perforated center sills, aperforated spacer for said center sills, flanged bolster-beams,

flanged side sills, anchors secured to the I tions of said center sillsand channel-spacer, substantially asdescribed. Y

10. In a railway-car, the combination of center sills, a body-bolstercomprisi spaced beams, an anchor at each end of saic bolster with aflange extending between and rivet'ed' to said bolster-beams, and atieod secured to said anchors, substantially as described.

11. In a railway-car, the combination of center sills,'a body-bolster,side sills With flanges along their lower ed es, said bolster beingsecured to said center sills and side sills,

anchors riveted to the flanges of said side sills, and a tie-rod securedto said anchors, substantially as described.

12. In a railway-car, the combination of center sills, a body-bolstercomprisingfspaeed' beams, side sills with flanges along their loweredgespan anchor at each end'of said ,bolster having a flange extendingbetween and riveted to said bolster-beams and a -f ange riveted to theflange of one of said side sills, and a tie-rod secured to said anchors,substantially as described.

13. In a railway-car, the combination of center sills, a body-bolstercomprising spaced beams, flan ed side sills, an anchor at each end ofsaid i'lolster having a flange extending between and riveted to saidbolster-beams, a

second flange riveted to the flange of one of said side sills, and athird flange riveted to the body-bolster beams, and a tie-rod secured tosaid anchors, substantially as described.

14. In a railway-car, the combination of perforated center sills, aperforated'spacer for said sills, a body-bolster comprising spaced beamswith flanges along their lower edges, flanged side sills, an anchor ateach end of said bolster having a flange extending between and rivetedto said bolster-beams,'a flange riveted to the flange of one of saidside sills, and a flange riveted to the flanges of the bolster-beams,and one or more tie-rods passing through the perforations of said centersills and spacer and attached to said anchors, substantially asdescribed.

15. A girder side of a railway-car, comprisin upright side stakes, andtwo parallel ro led beams one immediately above the other secured tosaid stakes, substantially as described.

16. A girder side of a railway-car, comprisin upright flanged sidestakes, a Z-beam si e sill riveted to the flanges of said stakes, and anangle-bar immediately above said 2- beam and also riveted to the flangesof said side stakes, substantially as described.

17. A side sill for a railwa -car, comprising standard, flanged, rolledeams, one im mediately above the other, substantially as described.

18. A side sill for a car, comprising a lower Z-beam and an upperangle-bar immediately above and extendlng lon itudinally of said Z-beam,substantially as described.

- ETHAN I. DODDS.

Witnesses:

WALTER M. FULLER, FREDERICK C. Goonwm;

